1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * Copyright(c) 2007 Intel Corporation. All rights reserved. |
4 | * |
5 | * Maintained at www.Open-FCoE.org |
6 | */ |
7 | |
8 | #ifndef _FC_GS_H_ |
9 | #define _FC_GS_H_ |
10 | |
11 | #include <linux/types.h> |
12 | |
13 | /* |
14 | * Fibre Channel Services - Common Transport. |
15 | * From T11.org FC-GS-2 Rev 5.3 November 1998. |
16 | */ |
17 | |
18 | struct fc_ct_hdr { |
19 | __u8 ct_rev; /* revision */ |
20 | __u8 ct_in_id[3]; /* N_Port ID of original requestor */ |
21 | __u8 ct_fs_type; /* type of fibre channel service */ |
22 | __u8 ct_fs_subtype; /* subtype */ |
23 | __u8 ct_options; |
24 | __u8 _ct_resvd1; |
25 | __be16 ct_cmd; /* command / response code */ |
26 | __be16 ct_mr_size; /* maximum / residual size */ |
27 | __u8 _ct_resvd2; |
28 | __u8 ct_reason; /* reject reason */ |
29 | __u8 ct_explan; /* reason code explanation */ |
30 | __u8 ct_vendor; /* vendor unique data */ |
31 | }; |
32 | |
33 | #define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */ |
34 | |
35 | enum fc_ct_rev { |
36 | FC_CT_REV = 1 /* common transport revision */ |
37 | }; |
38 | |
39 | /* |
40 | * ct_fs_type values. |
41 | */ |
42 | enum fc_ct_fs_type { |
43 | FC_FST_ALIAS = 0xf8, /* alias service */ |
44 | FC_FST_MGMT = 0xfa, /* management service */ |
45 | FC_FST_TIME = 0xfb, /* time service */ |
46 | FC_FST_DIR = 0xfc, /* directory service */ |
47 | }; |
48 | |
49 | /* |
50 | * ct_cmd: Command / response codes |
51 | */ |
52 | enum fc_ct_cmd { |
53 | FC_FS_RJT = 0x8001, /* reject */ |
54 | FC_FS_ACC = 0x8002, /* accept */ |
55 | }; |
56 | |
57 | /* |
58 | * FS_RJT reason codes. |
59 | */ |
60 | enum fc_ct_reason { |
61 | FC_FS_RJT_CMD = 0x01, /* invalid command code */ |
62 | FC_FS_RJT_VER = 0x02, /* invalid version level */ |
63 | FC_FS_RJT_LOG = 0x03, /* logical error */ |
64 | FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */ |
65 | FC_FS_RJT_BSY = 0x05, /* logical busy */ |
66 | FC_FS_RJT_PROTO = 0x07, /* protocol error */ |
67 | FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */ |
68 | FC_FS_RJT_UNSUP = 0x0b, /* command not supported */ |
69 | }; |
70 | |
71 | /* |
72 | * FS_RJT reason code explanations. |
73 | */ |
74 | enum fc_ct_explan { |
75 | FC_FS_EXP_NONE = 0x00, /* no additional explanation */ |
76 | FC_FS_EXP_PID = 0x01, /* port ID not registered */ |
77 | FC_FS_EXP_PNAM = 0x02, /* port name not registered */ |
78 | FC_FS_EXP_NNAM = 0x03, /* node name not registered */ |
79 | FC_FS_EXP_COS = 0x04, /* class of service not registered */ |
80 | FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */ |
81 | /* definitions not complete */ |
82 | }; |
83 | |
84 | #endif /* _FC_GS_H_ */ |
85 | |